A circular track have a difference of 3 m between inner and outer radius. Also the area of circular track is 63 π m2, Find the radius of the inner circular boundary.
1
8 m
2
9 m
3
10 m
4
11 m
A circular track have a difference of 3 m between inner and outer radius. Also the area of circular track is 63 π m2, Find the radius of the inner circular boundary.